Inventor · Ambler, PA, US

Travis E. Stevens

17Patents
16h-index
17Co-inventors
75Inventor score

Filing activity: May 7, 1976 → Mar 20, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4079028A Polyurethane thickeners in latex compositions Chemistry; Metallurgy 171 Expired
US4155892A Polyurethane thickeners for aqueous compositions Chemistry; Metallurgy 154 Expired
US4421902A Alkyl, poly(oxyethylene) poly(carbonyloxyethylene) acrylate emulsion copolymers for thickening purposes Emerging Cross-Sectional Technologies 92 Expired
US4395524A Acrylamide copolymer thickener for aqueous systems Chemistry; Metallurgy 85 Expired
US4916171A Polymers comprising alkali-insoluble core/alkali-soluble shell and copositions thereof Emerging Cross-Sectional Technologies 66 Expired
US4429097A Alkyl poly(oxyalkylene) esters of acrylate oligomers and copolymers thereof for thickening purposes Chemistry; Metallurgy 63 Expired
US5369163A Process for preparing large dimension emulsion polymer particles, polymer product and uses thereof Chemistry; Metallurgy 56 Expired
US4180491A Nonionic polyurethane thickener with surfactant cothickener and organic diluent, clear concentrates, aqueous print pastes, coloring compositions, methods of making and printing Textiles; Paper 54 Expired
US4423199A Acrylamide containing emulsion copolymers for thickening purposes Chemistry; Metallurgy 52 Expired
US4425469A Polyacrylamide flow modifier-adsorber Chemistry; Metallurgy 26 Expired
US4406737A Creping paper using cationic water soluble addition polymer Textiles; Paper 24 Expired
US4120839A Oligomeric amino-containing aminolysis products of polymethacrylates or polyacrylates, and epoxy resin coating compositions containing such aminolysis products as curing agents Emerging Cross-Sectional Technologies 23 Expired
US4663385A Process for thickening with copolymers of alkyl poly (oxyalkylene) itaconic di-esters Chemistry; Metallurgy 21 Expired
US4308092A Creping paper using cationic water soluble addition Textiles; Paper 20 Expired
USD614104S1 Exhaust manifold General 20 Expired
US4318956A Soil release on polyester textiles using cationic water soluble addition polymer Emerging Cross-Sectional Technologies 16 Expired
US4138545A Oxazolidine-terminated polyesters Chemistry; Metallurgy 12 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.